All Stories
- Space
Supernovas Shed Light on Dark Energy
Astronomers have new evidence that something called dark energy is revving up the expansion of the universe.
- Health & Medicine
Training your brain to feel less pain
People can ease pain by using their minds to reduce activity in a certain brain area.
- Environment
Out in the cold
With pollution, over-fishing, and shrinking habitats, the life of a penguin isn't getting any easier.
- Planets
Evidence of a Wet Mars
An orbiter provides new details about when and where liquid water existed on Mars.
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- Tech
Smart Windows
High-tech windows can change from clear to dark and back again at the touch of a button.
- Chemistry
Atom Hauler
Specially designed molecules can pick up and move around bunches of atoms on a surface.
- Health & Medicine
Taste Messenger
Sensing a flavor requires an energy molecule to carry information from taste buds to nerves.
- Math
Wired for Math
Our brains seem to come equipped with systems for estimating amounts and adding numbers.
- Physics
A butterfly’s electric glow
The brilliant color of some butterfly wings comes from tiny scales that absorb and give off light in a special way.
- Fossils
Some Dinos Dined on Grass
Evidence taken from fossilized dinosaur poop shows that some of these reptiles ate grass.
- Physics
Earth’s lowly rumble
From rumbling volcanoes to grumbling elephants, scientists are eavesdropping on the lowest sounds on Earth.
